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Infection Prevention for Pharmacy Compounding
November 6, 2019
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http://www.ashp.org/DocLibrary/BestPractices/PrepGdlCSP.aspx
2013 DQSA passed
2002 Michigan Pharmacy preparing injectable methylPREDNISolone and
baclofen recalled the products because of contamination with
Penicillium mold, Methylobacterium, and/or Mycobacterium
chelonae.
2010 Illinois 1 child died after receiving more than 60 times the
amount of sodium chloride prescribed due to a compounding error in
a hospital pharmacy.
2003 Missouri Bacteria contamination with Burkholderia cepacia
found in at least 2 batches of a compounded inhalant solution used
by 19,000 patients with chronic lung diseases.
2011 California, Florida, Tennessee
16 patients being treated for wet macular degeneration developed
severe eye infections due to contamination of AVASTIN (bevacizumab)
during compounding; one patient lost vision, another patient
developed a brain infection.
2004
36 patients developed Pseudomonas bloodstream infections after
receiving heparin/saline flushes from multiple lots of preloaded
syringes.
2011 Alabama
9 patients among 19 died when parenteral nutrition solutions were
contaminated with Serratia marcescens during compounding using
non-sterile components to prepare amino acids in a compounding
pharmacy.
2005 New Jersey, California
Up to 25 patients contracted Serratia marcescens infections due to
contaminated magnesium sulfate mini-bags prepared by a compounding
pharmacy.
2012 California
9 patients developed fungal endophthalmitis after use of the
compounded product Brilliant Blue-G (BBG) or receiving injections
of triamcinolone-containing products dispensed from the same
compounding pharmacy.
2005 Minnesota 2 patients were blinded after receiving a compounded
trypan blue ophthalmic injection contaminated with Pseudomonas
aeruginosa and Burkholderia cepacia.
2012 Nationwide
More than 200 patients contracted fungal meningitis after receiving
methylPREDNISolone acetate injection prepared by a compounding
pharmacy that was contaminated with Exserohilum (a brown-black
mold) and Aspergillus species.
2005 California Sterile talc vials with unwashed stoppers were not
sterility tested before distribution from a compounding pharmacy.
2013 Connecticut
5 bags of magnesium sulfate were found to contain mold by a
hospital pharmacy. The corresponding compounding pharmacy was shut
down.
2005 Maryland 10 patients died after exposure to cardioplegia
solution from 2 lots contaminated with gram-negative rods. 2013
Georgia 79 lots of products intended for retinal injection were
recalled after
being identified as increasing risk for eye infections.
2006 Nevada 1 baby died from a 1,000-fold zinc overdose (mcg and mg
zinc sulfate confused) compounded in a hospital pharmacy. 2013
Texas 15 patients were infected and 2 died after receiving a
contaminated
batch of IV calcium gluconate
2006 Ohio 1 child died after a compounding error led to
administration of chemotherapy in 23.4% sodium chloride injection
instead of 0.9% sodium chloride.
2014 Oregon 1 patient died after receiving rocuronium instead of
fosphenytoin despite the labeling being correct
2007 Washington, Oregon
2, possibly 3, patients died after receiving an IV colchicine
product compounded at a concentration higher than standard (4 mg/mL
vs. 0.5 mg/mL) in a compounding pharmacy.
2015 Nationwide U.S. Compounding Inc, Downing Labs Inc, and Hospira
all issues voluntary recalls after discovering contamination in
compounded products
2009 Florida 21 horses died after receiving a compounded vitamin
supplement containing vitamin B, potassium, magnesium, and selenium
(product not approved in the US).
2015 Nationwide The NIH suspends 46 clinical trials after
discovering defects in the drug manufacturing process
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FDA
BOP
USP
TJC
Law or Opinion? Differences are Present in Definitions
• Taking two or more ingredients and combining them into a dosage
form of a drug, exclusive of compounding by a drug manufacturer,
distributor, or packer
BOP
• Combines, mixes, or alters ingredients of a drug to create a
medication tailored to the needs of an individual patient
• Compounding does not include mixing, reconstituting, or similar
performed in accordance with approved labeling
FDA
• The preparation, mixing, assembling, alternating, packaging, and
labeling of a drug or drug-delivery device
• Specifically includes: Reconstitution or manipulation of
commercial products that may require the addition of one or more
ingredients
USP
BUD
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<795>
EM
Nonsterile BUD based on Water Categories BUD Non-aqueous
formulations No later than the expiration of the earliest API or
6
months, whichever is earlier Water containing oral formulation No
later than 14 days when refrigerated Water containing
Topical/Dermal and Mucosal Liquid and Semisolid Formulation
No later than 30 days
Note: no BUD should never be longer than any ingredient’s
expiration.
Stability data that is longer can override these limits, however
microbial growth should be considered.
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Contamination is Present During Compounding Sterility - Trissel
20031 and 20052
Estimated microbial contamination for Low and Medium-risk
CSPs
*Even worse rate for staff who regularly compounded, IV
pharmacists
1. Am J Health Syst Pharm. 2003; 60:1853-55 2. Am J Health Syst
Pharm. 2005; 62:285-288.
Risk Level Number of CSPs Contamination Rate
Low 1058 0.1%
Medium 539 5.8%
Single Use Vials • ISO 5 air: 6 hours
• Worse than ISO 5 air: 1 hour
\
Or manufacturers specification
Cleaning and Garbing
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ISO 14644-1 a FS 209E b
Particles/m 3 Particles/ft 3
1 2 4 3 1 35 1 4 10 352 10 5 100 3520 100 6 1000 35,200 1000 7
10,000 352,000 10,000 8 100,000 100,000 9 1,000,000
bFederal Standards
aInternational Organization of Standardization
Particles/m3
Particles/ft3
1
2
4
3
1
35
1
4
10
352
10
5
100
3520
100
6
1000
35,200
1000
7
10,000
352,000
10,000
8
100,000
100,000
9
1,000,000
Phase/Implementation Directive
JCAHO Standard
JCAHO Timeframe
MCG Timeframe
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EM
Sterile Compounding BUDs Based on Risk Risk Level Description Room
Temp Fridge Frozen
Immediate Use Aseptic preparation in any air quality, exemption to
facilitate administration 1 hour N/A N/A
Low – SCA Low risk compounding occurring in a ISO 5 PEC without a
cleanroom 12 hours N/A N/A
Low Three or less sterile ingredients in a cleanroom using all
sterile containers 48 hours 14 days 45 days
Medium Multiple patients or administrations, 4+ sterile starting
ingredients in cleanroom
30 hours 9 days 45 days
High Nonsterile ingredients, exposure to worse than ISO 5 air,
nonsterile devices
24 hours 3 days 45 days
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Category Production Environment Previous Classification
Category 1 CSPs Sterile Compounding Area Low Risk in SCA
Category 2 CSPs Cleanroom Suite Low, Medium and High Risk
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Beyond Use Dates are also Evolving with Revisions Category
Sterilization
Method Sterility Testing
Temperature Refrigerator Freezer
Category 1 CSPs Aseptically Prepared No 12 hours 24 hours N/A
Category 2 CSPs
Terminally Sterilized
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<800>
Hazardous Drugs have Separate Classifications
1.Antineoplastic a. Classified by ASHP/AHFS as antineoplastic and
meets at least 1
hazardous criteria
2.Non-antineoplastic a. Not classified by ASHP/AHFS as
antineoplastic but meets at least 1
hazardous criteria
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Primary Engineering
Compounding Administration
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Respirator
Gown
Who to monitor? What to monitor?
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• Limits the scope of compounding under traditional pathways
• Must have patient specific orders prior to dispensing
• Caps volume of anticipatory compounding to 30 days supply
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EM
503B Riskier, but Critical to Drug Supply Chain • Blurring the line
between
compounding and manufacturing
• Production volume reduces cost
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Infection Prevention for Pharmacy Compounding
November 6, 2019
Infection Prevention for Pharmacy Compounding
Infection Prevention Starts with Regulation
Compounding Regulation has a Rich History
Regulation Informed by Compounding Misadventures
Federal and State Regulators Guide Practice
Law or Opinion? Differences are Present in Definitions
Beyond Use Dates (BUD) Mitigates Infection Risks
Beyond Use Dating Matters for Nonsterile Compounds
Nonsterile BUD based on Water
Sterile Compounding Requires Controls
Vial Type Can Also Impact Infection Risk
Many Variables Impact Sterile Compounding
Hygiene and Garbing Prevent Particle Shedding
Regular Cleaning Prevents Microbial Growth
Engineering Controls Limit Particle Distribution
Engineering Controls Limit Particle Distribution
Environmental/Personnel Sampling is Critical
<797> Continues to Evolve with 2019 Revisions
Beyond Use Dates are also Evolving with Revisions
Preventing Hazardous Drug Exposure also our Duty
Hazardous Drugs have Separate Classifications
Hazardous Drug Exposure happens outside Pharmacy
Engineering Controls also reduce Hazardous Exposure
Closed System Transfer Devices Prevent Exposure
Personal Protective Equipment is Vital
Hazardous Exposure Surveillance Methods Debated
503a/b Regulation Continues to Drive Practice
503a Regulations are Important for Infection Prevention
503B Riskier, but Critical to Drug Supply Chain
Infection Prevention for Pharmacy Compounding